Chair frame



FIG. 1 is a rear perspective view of my new design with environmentalelements shown;

FIG. 2 is a left side view of my new design with environmental elementsshown;

FIG. 3 is a front right perspective of my new design;

FIG. 4 is a front view of my new design; and,

FIG. 5 is a top view of my new design.

The views not shown form no part of the claimed design. The dashed linesin FIGS. 1, 2, 3 and 5 represent unclaimed elements, includingenvironmental elements, and form no part of the claimed design.

CLAIM The ornamental design for a chair frame, as shown and described.